/Engine/Source/Runtime/SignalProcessing/Public/DSP/FeedbackDelayNetwork.h
InMaxNumInternalBufferSamples controls the internal buffer size used for vector operations. InSettings controls the delay line lengths.
FFeedbackDelayNetwork ( int32 InMaxNumInternalBufferSamples, const [FFDNDelaySettings](API\Runtime\SignalProcessing\DSP\FFDNDelaySettings) & InSettings )